Singer Bruce Springsteen performs before the start of a campaign event for President Barack Obama near the State Capitol Building in Madison, Wis., Monday, Nov. 5, 2012. (AP Photo/Pablo Martinez Monsivais)

Singer Bruce Springsteen performs before the start of a campaign event for President Barack Obama near the State Capitol Building in Madison, Wis., Monday, Nov. 5, 2012. (AP Photo/Pablo Martinez Monsivais)